Bottle-sealing device



(No Model) W. PAINTER. BOTTLE SEALING DEVICE.

No. 582,762. Patented May 18, 1897.

.75 #6814: 24.) gzgw/ UNITED STATES PATENT OFF-ICE.

\VILLIAM PAINTER, OF BALTIMORE, MARYLAND.

BOTTLE-SEALING DEVICE.

SPECIFICATION forming part of Letters Patent No. 582,762, dated May 18,1897.

Application filed December 8, 1892.

To all whom it may concern.-

Be it known that 1, WILLIAM PAINTER, of Baltimore, in the State ofMaryland, have invented certain new and useful Improvements inBottle-Sealing Devices; and I do hereby declare that the followingspecification, taken in connection with the drawings furnished andforming a part of the same, is a clear, true, and complete descriptionof my invention.

My said improvements relate to hard-metal flanged sealing-caps adaptedto he used in connection with sealing-disks and with hot tles providedwith an annular locking-shoulder; and my invent-ion consists inproviding the cap-flange at its edge with an integral bead formed byturning the metal upon itself in such a manner that when the cap isplaced with its sealing-disk on a bottle and the diskproperly compressedthe beaded portion of the flange of the cap may be bent inwardly againstthe bottle-head beneath the locking-shoulder and effect a firm andreliable lockiug union of the flange with the bottle-head. The metalcomposing the bead incloses more or less interior space, and the outerportion of the metal can therefore be bent inwardly to a considerabledegree by pressure applied thereto, and at the same time the samepressure will cause the metal comprising the interior of the bead andthe flange above the head to be forced inwardly and bent into firmlocking contact with the glass without endangering the latter, whichwould be liable to fracture, and especially at the locking-shoulder,should the metal be directly forced into contact therewith. In otherwords, the bead on the flange enables the cap to be firmly locked on abottle-head by the application of a yielding or cushioned pressure, asbetween any necessarily hard-surfaced compressing device and the surfaceof the glass. A similar result is accomplished with the corrugatedflanged caps heretofore devised and patented by me; but my novel beadedflanged caps are well adapted for certain kinds of bottling, and theycan be as cheaply produced as the corrugated caps and by means ofsimpler and less expensive tools.

Serial No. 454,467. (No model.)

To more particularly describe my invention, I will refer to theaccompanying drawings, in which- Figures 1, 2, and 3 illustrate,respectively, in side, top, and sectional views, one of my novelsealing-caps in what I deem its best form, the bead being one in whichthe metal has been turned outwardly. Fig. 4 illustrates in section abottle-head with one of my novel caps with its sealing disk initiallyplaced therein. Fig. 5 in like manner illustrates the disk underpressure and the cap locked to the bottle. Fig. 6 illustrates in sectionone of my sealing-caps in a modified form, its bead being one in whichthe metal is turned inwardly. A

The cap A of Figs. 1 to 5, inclusive, has a rounded top a and a flangeb, which flares slightly outwardly, but however much these may be variedin their form and character the edge of the flange has, essentially, awelldefined bead c. This bead may, however, be varied as to the form ofits cross-section, although the best results Will accrue when it issubstantially circular, as shown, andit should have sufficient interiorspace to admit of the .metal at the outer side to be forced inwardly toa more or less extent without engaging in close contact with thecoincident metal at the interior side of the bead, the object and intentthereof being to secure the inward bending of the metal at. the innerside of the bead against the coincident surface of glass during thesealing operation by means of pressure applied to the outside of thebead. This exterior pressure is transferred from one point to the otherby way of the metal which comprises the rounded edge or bottom of thebead. Thisbead is formed by turning the metal outwardly and upwardly ortoward the top, and more orless upon itself, as shown. The sealing-diskcl is preferablycom posed of thinly-sliced cork, but other suitablematerials may be employed.

Referringnow to the bottle-head B, it is to be understood that it has arounded lip e and an annular locking-shoulder 6' below the lip, as isusual with bottles heretofore used with my aforesaid corrugated metalcaps, and it will be seen that the rounded top of the cap A internallyconforms to the externallyrounded surface of the bottle at its lip, so

that the sealing-disk (Z may be forced into 5 extensive packing contactupon and adjacent to the lip of the bottle, as shown in Figs. 4 and 5.

The general contour and dimension of the interior of the cap should besuch as will enable the appropriate portion of a bottle-head to be quitefreely received therein, as shown in Fig. 4, so that when pressure isapplied to the top of the cap for properly compressing the sealing-diskthe bead 0 will be so located with reference to the locking-shoulder cthat a proper engagement therewith may be secured.

When the bead is well closed at its top, as shown, the setting-pressuremay be applied either radially or concentrically and in the plane of therecess just below the shoulder, or by a vertical movement, as by the useof such a hollow internally-tapered bendingtool as is employed by me insetting corrugated caps and disclosed in my Letters Patent No. 73,776,dated April 26, 1892. however, absolutely essential that said beadshould be closed at its top, but when the caps have beads which are openat the outer side they should be subjected to pressure in radial linesonly. However this pressure may be applied for setting the cap the beadwill be distorted more or less regularly at various points, according tothe varied contact of the metal at the inner side of the head with theglass, and also according to the extent to which the peripheraldimensions of the bead may have been reduced. It is not necessary withthese caps to always compress the entire bead, it being quitepracticable to obtain good locking contact if pressure be evenly appliedto the bead at five or six different but equidistant points.

The cap A of Fig. 6 dill'ers from cap A only in that the bead c isformed by turning the metal inwardly and toward the top of the cap, thusleaving no external opening, as when the metal is turned outwardly, asin the head 0 of cap A. \Vith this internally-turncd form of bead,whether the edge be well closed in toward the sides of the flange or anopening left, the cap may be equally well set or fixed upon abottle-head, whether the pressure be applied radially or by a complexlongitudinal It is not,

and radial action, as by a hollow tapering bei'iding-tool.

"While the heads 0 or c are integral with flange, it is not alwaysessential that they should be solid peripherally, because for many kindsof service the beads may be open at short intervals at right angles tothe rounded edge of the flange. These beaded caps may be relied upon forperforming good service even when composed of specially thin lightmetal, the best form of which is tinplated sheet-iron and of the classknown as roofers tin.

When the caps in either of the forms shown have been properly set, muchforce must be exerted for their removal in opening a sealed bottle, andhence it is desirable to use a lever-shaped hook, although an ice-pickor other pointed tool may be readily inserted between compressed beadand the glass at one or more points, the lower rounded edge of theflange being favorable to such insertion.

Although not perhapsmaterial to this specification I will state thatthese caps in either of the forms shown are developed from disks orblanks of sheet metal which are struck up in dies, the beads beingdeveloped by the use of annularcup-shaped diesections, which areappropriately formed in each case for producing the particular kind ofbead desired.

Having thus described my invention, I claim as new and desire to secureby Letters Patent 1. Allard-metal sealing-cap havinga flange provided atits edge with an integral bead, having an open interior and adapted tobe bent into engaging contact. with a bottle-head substantially asdescribed.

2. The combination substantially as hereinbefore described, of a bottlehaving 011 its head an annular locking-shoulder, a sealingdisk, and ahard-metal sealing-cap provided with a flange having a bead at its edge,the said disk being under sealing-pressure on the lip of the bottle, andsaid head bent into locking contact with the bottle-head adjacent to thelocking-shoulder, and confining the disk in sealing contact with thecoincident surface of the bottle.

WILLIAM PAINTER.

Witnesses:

ORRIN C. PAINTER, JOHN MITCHELL.

